Marine Weather Net

Arnold, MD Weather Forecast




Arnold, Maryland

 Lat: 39.04N, Lon: 76.5W

Current Conditions Updated: 754 AM EDT WED AUG 12 2026

Mostly Clear
Temp: 76°F
  • Humidity:
  • 79%
  • Winds:
  • 9 MPH NNW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.88 in.
  • Dewpoint:
  • 69°F
  • Heat index:
  • 77°F

  • Sunrise:
  • 6:15 AM EDT
  • Sunset:
  • 8:03 PM EDT
  • Moonrise:
  • 5:57 AM EDT
  • Moonset:
  • 8:12 PM EDT

TONIGHT

CHANCE OF SHOWERS
Lo: 71°F
Precip: 20%

TODAY

PARTLY SUNNY
Hi: 89°F
Lo: 71°F

THURSDAY

MOSTLY SUNNY
Hi: 89°F
Lo: 71°F
Precip: 30%

FRIDAY

CHANCE OF T-STORM
Hi: 85°F
Lo: 69°F
Precip: 60%
Weather Forecast In Detail:
Forecast Issued: 456 AM EDT Wed Aug 12 2026

Rest Of The Overnight...Mostly cloudy with a 20 percent chance of showers. Lows in the lower 70s. West winds around 5 mph.
Today...Partly sunny. Highs in the upper 80s. Northwest winds around 5 mph.
Tonight...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. West winds around 5 mph. Chance of rain 20 percent.
Thursday...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 80s. West winds around 5 mph. Chance of rain 30 percent.
Thursday Night...Mostly cloudy with a chance of showers. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 50 percent.
Friday...Showers likely with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 60 percent.
Friday Night...Partly cloudy. Lows in the upper 60s.
Saturday...Sunny. Highs in the mid 80s.
Saturday Night...Partly cloudy. Lows in the upper 60s.
Sunday...Mostly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 40 percent.
Sunday Night...Mostly cloudy with a chance of showers. Lows in the lower 70s. Chance of rain 50 percent.
Monday...Mostly sunny with a chance of showers. Highs in the upper 80s. Chance of rain 30 percent.
Monday Night...Mostly clear. Lows around 70.
Tuesday...Sunny. Highs in the mid 80s.
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